/**
 * ==========================================
 * 📊 BACKTESTING - Estilos Glassmorphism
 * ==========================================
 */

.backtesting-panel {
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(10px);
}

.backtesting-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.backtesting-panel__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px 0;
}

.backtesting-panel__subtitle {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

.backtesting-panel__export-btn {
  padding: 10px 20px;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: 8px;
  color: #6366f1;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.backtesting-panel__export-btn:hover {
  background: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
}

/* Filtros */
.backtesting-panel__filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.backtesting-panel__filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.backtesting-panel__filter-label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.backtesting-panel__filter-input,
.backtesting-panel__filter-select {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  min-width: 150px;
}

.backtesting-panel__filter-input:focus,
.backtesting-panel__filter-select:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.5);
}

.backtesting-panel__filter-btn {
  padding: 8px 16px;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: 8px;
  color: #6366f1;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.backtesting-panel__filter-btn:hover {
  background: rgba(99, 102, 241, 0.3);
}

.backtesting-panel__filter-btn--secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--muted);
}

.backtesting-panel__filter-btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

/* Métricas */
.backtesting-panel__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.backtesting-panel__metric {
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  text-align: center;
}

.backtesting-panel__metric-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.backtesting-panel__metric-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
}

/* Secciones */
.backtesting-panel__section {
  margin-bottom: 32px;
}

.backtesting-panel__section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

/* Breakdown */
.backtesting-panel__breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.backtesting-panel__breakdown-item {
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.backtesting-panel__breakdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.backtesting-panel__breakdown-label {
  font-weight: 600;
  color: var(--text);
}

.backtesting-panel__breakdown-count {
  font-size: 0.8rem;
  color: var(--muted);
}

.backtesting-panel__breakdown-metrics {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Tabla */
.backtesting-panel__table-container {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.backtesting-panel__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.backtesting-panel__table thead {
  background: rgba(99, 102, 241, 0.1);
}

.backtesting-panel__table th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.backtesting-panel__table td {
  padding: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.backtesting-panel__table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.backtesting-panel__error-low {
  color: #22c55e;
}

.backtesting-panel__error-medium {
  color: #f59e0b;
}

.backtesting-panel__error-high {
  color: #ef4444;
}

.backtesting-panel__direction {
  font-size: 1.2rem;
}

.backtesting-panel__table-note {
  padding: 12px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  margin: 0;
}

/* Estado vacío */
.backtesting-panel__empty {
  text-align: center;
  padding: 60px 20px;
}

.backtesting-panel__empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.backtesting-panel__empty-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.backtesting-panel__empty-message {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.backtesting-panel__empty-hint {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.backtesting-panel__error {
  padding: 20px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 10px;
  color: #ef4444;
  text-align: center;
}